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黄淮海平原是我国最大的平原,耕地面积和农业人口各占全国的六分之一。地处我国的中原,交通方便,光热资源充足,是我国粮、棉、大豆、花生、烤烟、果树等的重要产区,又是煤、石油等能源产区,在我国经济建设上占有重要的地位。但由于存在旱涝盐碱瘦、农业结构不合理、生态系统脆弱等不利条件,因此目前大部分土地仍处在中低产状态。赵总理在五届四次人代会上,向全国科学技术部门、研究机构和科技人员发出号召:要求组织起
The Huang-Huai-Hai Plain is China’s largest plain, with one-sixth of the country’s arable land and agricultural population each. Located in the central plains of our country, with convenient transportation and sufficient light and heat resources, it is an important producing area of China’s grain, cotton, soybean, peanut, tobacco and fruit trees, and also an energy producing area such as coal and oil. It occupies an important place in China’s economic construction. Position. However, most of the land is still in middle-low yield due to the disadvantages of droughts and salina-alkali lean, irrational agricultural structure and fragile ecosystem. At the 4th NPC Congress, Premier Zhao issued a call to the national science and technology departments, research institutes and scientific and technical personnel for organizing